Oakdale climate — normals and trends
Oakdale (United States) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 16.5 °C and it receives 563 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (25.4 °C on average) and the coldest is January (8.2 °C). Rainfall peaks in January.
Oakdale averages 8 frost days, 95 hot days (≥ 30 °C) and 53 rainy days per year.
Oakdale has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 14 to 2 per year over the period.
The hottest day of the period reached 44.7 °C (on 6 September 2022) and the coldest -7.0 °C (on 22 December 1990).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
OakdaleCalifornia
- coords
- 37.77°, -120.85°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.5°C
Average daily high
23.1°C
Average daily low
10.5°C
Annual rainfall
563mm
Sunshine / day
10.9h
Mean relative humidity
60%
Average peak wind
13.8km/h
Seasonal range
17.2°C
Frost days (< 0 °C)
8 d/yr
Hot days (≥ 30 °C)
95 d/yr
Rainy days (≥ 1 mm)
53 d/yr
Annual snowfall
0.5 cm
Average feels-like high
22.1 °C
Average feels-like low
8.7 °C
Average peak gust
29.6 km/h
Tropical nights (≥ 20 °C)
13 d/yr
Solar radiation
19.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °C
since 1940
+0.3 °C per decade · r² = 0.66 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
44.7 °C
6 September 2022
Coldest day
-7.0 °C
22 December 1990
Wettest day
74 mm
9 February 1962
Windiest day
45.0 km/h
20 January 2010
Strongest gust
100.1 km/h
20 January 2010
Hottest feels-like
45.7 °C
6 September 2022
Coldest feels-like
-11.4 °C
22 December 1990
Snowiest day
3.5 cm
7 December 2013
Sunniest day
14.1 h
28 June 1951
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 15.5 °C | +2.1 °C | 21 mm | -83 mm |
| Feb | 17.3 °C | +1.6 °C | 141 mm | +43 mm |
| Mar | 18.4 °C | +0.5 °C | 116 mm | +23 mm |
| Apr | 23.3 °C | +1.9 °C | 21 mm | -25 mm |
| May | 29.4 °C | +3.4 °C | 1 mm | -19 mm |
| Jun | 32.8 °C | +2.4 °C | 0 mm | -4 mm |
| Jul | 33.6 °C | +0.2 °C | 0 mm | -1 mm |
| Aug | 34.6 °C | +2.1 °C | 1 mm | -1 mm |
| Sep | 31.6 °C | +1.5 °C | 2 mm | -4 mm |
| Oct | 24.2 °C | -0.5 °C | 34 mm | +5 mm |
| Nov | 18.4 °C | +0.6 °C | 116 mm | +50 mm |
| Dec | 13.7 °C | +0.2 °C | 125 mm | +29 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Oakdale?
Oakdale has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 16.5 °C and it receives 563 mm of precipitation per year.
What is the hottest day ever recorded in Oakdale?
The hottest day measured in Oakdale between 1940 and 2025 was 6 September 2022, reaching 44.7 °C.
What is the coldest day in Oakdale?
The coldest day measured in Oakdale between 1940 and 2025 was 22 December 1990, at -7.0 °C.
Does it snow in Oakdale?
Almost never: Oakdale sees virtually no snow, with about 8 frost days per year.
Has the climate of Oakdale warmed?
Yes: Oakdale warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Oakdale?
The wettest day measured in Oakdale between 1940 and 2025 was 9 February 1962, with 74 mm of rain in 24 hours.
What was the windiest day in Oakdale?
The windiest day measured in Oakdale between 1940 and 2025 was 20 January 2010, with winds reaching 45.0 km/h.
What is the warmest month in Oakdale?
The warmest month in Oakdale is July (25.4 °C on average); the coldest is January (8.2 °C).
How much does it rain in Oakdale?
Oakdale receives on average 563 mm of precipitation per year, spread over about 53 rainy days.
Is it sunny in Oakdale?
Oakdale gets on average 10.9 hours of sunshine per day, roughly 3,979 hours per year over 1940-2025.
What is the biggest single-day snowfall in Oakdale?
The heaviest 24-hour snowfall measured in Oakdale between 1940 and 2025 was 7 December 2013, with 3.5 cm.
Are there tropical nights in Oakdale?
Yes: Oakdale has on average 13 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Oakdale?
In Oakdale, between 1940 and 2025, the highest apparent temperature reached 45.7 °C on 6 September 2022, and the lowest was -11.4 °C on 22 December 1990.
Compare Oakdale with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Oakdale